| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe embedding device workable even in a narrow place, easy to move, and capable of surely executing the centering of a pipe. SOLUTION: This pipe embedding device comprises pivotally supported upper and lower booms and an arm pivotally supported at the tip of the upper boom. A bracket is rockably suspended at the tip of the arm. The bracket is provided with a rotating driving means, and a circle mechanism for rotating a pipe holding member to the bracket by the rotating driving means is mounted on the lower part of the bracket. A pipe equipped with cutting edge is mounted on the pipe holding member, and a center shaft is vertically mounted on the rotating center of the pipe holding member.
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